ITR-3 vs ITR-4 Due Date Split: Why Non-Audit Business Filers Now Get Until 31 August

Every year around late July, our phone doesn't stop ringing. It's usually the same category of caller: a proprietor running a small trading business, a freelance consultant, someone filing under presumptive taxation, all working off the assumption that their return is due by the same 31 July deadline that applies to salaried employees. For Tax Year 2026-27, that assumption is wrong, and it's wrong in the caller's favour for once.

The due date for filing ITR-3 and ITR-4 — used respectively by individuals/HUFs with business or professional income and by individuals/HUFs/firms opting for presumptive taxation — is now fixed at 31 August, distinct from the 31 July deadline that continues to apply to ITR-1 and ITR-2. This isn't a one-time extension announced late in the season the way we've seen in past years when the department pushed deadlines back under pressure close to the wire. It's now built in as the standard date for these two forms from Tax Year 2026-27 onward, for taxpayers who are not subject to a tax audit.

Who Actually Gets the Extra Month

The 31 August date applies specifically to non-audit filers using ITR-3 or ITR-4. In practice, that covers:

• Proprietors running a business where turnover or the nature of operations doesn't trigger a mandatory tax audit under Section 44AB (or its successor provision)
• Freelancers and independent consultants — designers, writers, IT contractors, marketing consultants, and similar — filing business or professional income through ITR-3
• Specified professionals — doctors, lawyers, architects, CAs in practice, and others covered under presumptive taxation for professionals — filing ITR-4 under the deemed-profit scheme
• Presumptive taxation filers generally — traders and small businesses declaring income under the 6%/8% deemed profit scheme, and goods transport operators under the per-vehicle scheme, all typically filing ITR-4
• Partners in firms whose personal income (share of profit, remuneration, interest on capital) is reported through ITR-3, where the firm itself isn't subject to audit

If your business or professional activity crosses the tax audit threshold — turnover above the applicable limit, or cash transactions pushing you past the relaxed limits available for mostly-digital businesses — the audit requirement kicks in regardless of which ITR form you use, and the due date reverts to 31 October, the standard deadline for audit cases. The 31 August date is strictly for the non-audit segment of ITR-3 and ITR-4 filers.

Who Does Not Get This Extra Month

This is the part that trips people up, particularly in households where one spouse is salaried and the other runs a small business — they sometimes assume the whole family gets the later date because one member does.

Salaried individuals filing ITR-1 (for straightforward salary, one house property, and other standard income sources) or ITR-2 (salary plus capital gains, multiple house properties, or foreign assets, but no business income) remain on the 31 July deadline. There's no change to their timeline. A salaried employee who also has a small amount of interest income or capital gains from mutual funds and files ITR-2 gets no benefit from this split — 31 July still applies to them.

Anyone whose accounts require a statutory tax audit — regardless of which ITR form (typically ITR-3 for individuals/firms, or the company/LLP-specific forms) — stays on the 31 October due date, same as before. The 31 August date sits between the 31 July date for simple returns and the 31 October date for audit cases; it doesn't touch either of those two.

A Practical Comparison

Why This Matters Beyond the Extra Four Weeks

For a small business owner in Raipur, that additional month between 31 July and 31 August is often the difference between filing a return based on rushed, incomplete bank reconciliation and one based on properly closed books. Presumptive taxation filers in particular tend to finalise their turnover figures and digital-versus-cash receipt split only after checking bank statements and payment gateway reports through the end of July — having the deadline land a month later gives that reconciliation work actual breathing room instead of forcing it into the same compressed window salaried employees work with.

It also reduces a specific kind of error we used to see constantly: business-income clients rushing to file by 31 July out of habit, using estimated turnover figures because their books weren't fully closed, and then having to file a revised return later once the actual numbers came in. A revised return isn't a disaster, but it does draw more scrutiny than a correctly filed original return, and it's avoidable now that the statutory timeline matches how business accounts actually get finalised.

One caution: don't let the later date turn into an excuse to start compliance work later than you otherwise would. The 31 August deadline still requires the same underlying work — reconciling Form 26AS and AIS against your books, confirming GST turnover matches income tax turnover where applicable, and finalising presumptive income calculations correctly. Clients who simply shift their entire process a month later without starting any earlier tend to hit the same last-week scramble, just on a different date.

What Happens If You Miss 31 August

Missing the 31 August deadline doesn't shut the door on filing — belated returns remain possible up to 31 December of the assessment year, but two costs kick in the moment the original due date passes. First, interest under Section 234A starts accruing on any unpaid tax from 1 September, at the standard rate, even if you eventually file well before the belated deadline. Second, a late filing fee under Section 234F applies — up to ₹5,000 depending on total income, or capped lower for smaller incomes. Neither penalty is new to this split; both simply now attach from 1 September instead of 1 August for ITR-3 and ITR-4 filers, which is one more reason the extra month should be used, not banked as slack for later.

There's a knock-on effect worth flagging for presumptive taxation filers specifically. If you're carrying forward a business loss or unabsorbed depreciation, Section 139(3) requires the return to be filed within the original due date to preserve that carry-forward — a belated return generally forfeits the right to carry certain losses forward to future years, even though the loss itself was genuinely incurred. A trader who has a rough year and wants to set off this year's loss against next year's presumptive income needs to file within 31 August, not treat the December belated-return window as a safe fallback.

Advance Tax Is Unaffected by This Change

One point clients sometimes conflate: the shift in the ITR filing due date has no bearing on advance tax obligations during the financial year itself. A presumptive taxation filer under Section 58 (old 44AD/44ADA) is still required to pay their entire advance tax liability in a single instalment by 15 March of the financial year, and a business-income filer under ITR-3 not covered by presumptive taxation still follows the standard four-instalment advance tax schedule (15 June, 15 September, 15 December, 15 March). The 31 August ITR filing date is purely about when the return itself is submitted after the financial year closes — it doesn't move any payment obligation that falls due during the year.

Related Advisory Services & Practice Guides

• ITR Filing in Raipur
• Tax Audit in Raipur